Triple

T3543574
Position Surface form Disambiguated ID Type / Status
Subject CTA Blue Line E74942 entity
Predicate hasStation P35 FINISHED
Object Western (O'Hare branch)
Western (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line serving the city's O'Hare branch.
E367321 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Western (O'Hare branch) | Statement: [CTA Blue Line, hasStation, Western (O'Hare branch)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Western (O'Hare branch)
Context triple: [CTA Blue Line, hasStation, Western (O'Hare branch)]
  • A. Westmont station
    Westmont station is a commuter rail stop in Westmont, Illinois, serving Metra’s BNSF Railway Line between Chicago and its western suburbs.
  • B. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • C. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
  • D. Park West station
    Park West station is a Metromover rapid transit station in downtown Miami, Florida, serving the Park West neighborhood and nearby venues such as the Kaseya Center.
  • E. Glenview station
    Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Western (O'Hare branch)
Triple: [CTA Blue Line, hasStation, Western (O'Hare branch)]
Generated description
Western (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line serving the city's O'Hare branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Western (O'Hare branch)
Target entity description: Western (O'Hare branch) is a Chicago 'L' rapid transit station on the Blue Line serving the city's O'Hare branch.
  • A. Westmont station
    Westmont station is a commuter rail stop in Westmont, Illinois, serving Metra’s BNSF Railway Line between Chicago and its western suburbs.
  • B. Western (Brown Line)
    Western (Brown Line) is a Chicago 'L' rapid transit station on the Brown Line located in the Lincoln Square neighborhood.
  • C. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • D. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
  • E. Park West station
    Park West station is a Metromover rapid transit station in downtown Miami, Florida, serving the Park West neighborhood and nearby venues such as the Kaseya Center.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ad85d274cc8190ab59c97298a1cfbf completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbf752dd481909226044ffe595338 completed March 8, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38bdd0cb4819086119b54c2708850 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38cb6a2188190b68f4903144a0e51 completed March 13, 2026, 4:04 a.m.
NED2 Entity disambiguation (via description) batch_69b39062a10c8190bc227c02cf4f3ab1 completed March 13, 2026, 4:19 a.m.
Created at: March 8, 2026, 3:20 p.m.